1、关闭 NetworkManager
sudo service NetworkManager stop
2、gedit 打开 NetworkManager.state
sudo gedit /var/lib/NetworkManager/NetworkManager.state
3、按如下修改内容
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
4、重启NetworkManager
sudo service NetworkManager restart
5、如果 NetworkManager not found ,使用 network-manager 替换
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